Buick 1994 LeSabre Owner's Manual page 123

Rear Passenger ComforTemp (Option)
If you have this option, you can adjust the direction of
the air flow to the rear seating area.
If your Buick has the Dual Automatic ComforTemp
Climate Control option, the following information tells
you how it works,
You will hear a beep each time a button is pushed. The
display will show fan, temperature and mode settings.
Sun and temperature sensors automatically adjust air
temperature to maintain your comfort. The system tends
to supply cooler air to the side towards the sun. Be
careful not to put anything over the sensors on top of the
dash. The system may not respond correctly.
The air conditioning compressor operates when the
outside temperature is above 45°F (7"). Besides
cooling, this is used to dehumidify and filter the air. The
compressor works when AUTO, HTR, DEFOG or
defrost is selected.
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